Finding the Third Proportional to 218,244 and 469,860

Step by Step Solution

1. Step 1: Write the proportion equation
   218,244 : 469,860 = 469,860 : x
2. Step 2: Convert to fraction form
   218,244/469,860 = 469,860/x
3. Step 3: Cross multiply
   218,244x = 469,860 × 469,860
4. Step 4: Simplify right side
   218,244x = 220,768,419,600
5. Step 5: Solve for x
   x = 220,768,419,600/218,244
6. Step 6: Final answer
   x = 1,011,566.96